<!doctype html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>超级密码</title>
    <style>
        body{font-family:Arial;text-align:center;margin-top:100px;background:#f7f7f7}
        form{display:inline-block;width:280px;text-align:center}
        input[type=password],input[type=submit]{
            width:100%;padding:12px;margin:8px 0;
            font-size:16px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box
        }
        input[type=submit]{background:#e91e63;color:#fff;border:none;cursor:pointer}
    </style>
</head>
<body>
    <h1>请输入管理密码</h1>
    <form method="post">
        <input type="password" name="password" placeholder="密码" required>
        <input type="submit" value="登录">
    </form>
</body>
</html>
